Occupant-propelled vehicle



Jiine 5, 1923.

N. DUPUIS O CC UPANT PROPELLED VEHICLE Filed Oct. 31 1921 3 Sheets-Sheet l June 5, 1923. 1,457,731

N. DUPUIS OCCUPANT PROPELLED VEHICLE Filed-Oct. 31, 1921 3 Sheets-Sheet 2 June 5, 1923. 1,457,731

N. DUPUIS OCCUPANT PROPELLED VEHICLE Filed Oct. 31 1921 3 Sheets-Sheet 5 Fatented June 5, 1923.

Noni, norms, OF'TACOMA, WASHINGTON, Assmnonor KING, or TACOMA, wAsHINero'n;

octrren'r-rnornnnnn Application flied October 31, 1921. Seria11\To. 511,9 19

To all whom it may concern:

means whereby a vehicle may be operated" by the rocking 'movementof a seat.

' Itis within the province. of the disclosure to improve generally and to enhance 'the utility of devices ofthat type to which the invention appertains. Y Wi h the above and other'objects in'view,

which Will appear as the description proc eeds, the invention resides in the co'm'bina tion and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that, with in the scope of what is claimed, changesin the precise embodiment" of the invention shown can be made without departing from the spirit of the'invention. I In the accompanying drawings Figure 1 shows in side elevation, a vehicle constructed in accordance with the invention; Figure 2 is a top plan wherein parts are broken away; Figure 3iis a rear elevation; Figure 4 is a diagrammatic elevation showing the mechanism whereby movement is imparted from the seat to the ground wheels of the vehicle; Figure 5 is a frag mental longitudinal section showing a modification; Figure 6 is an end elevation of the structure shown in Figure 5; vand Figure 7 is a cross section on the line 7 7 of Figure 2.

In carrying out the invention there is provided a frame, denoted generally by the numeral 1, and comprising rearwardly diverging side bars 2 connected by a foot rest 3. The foot rest 3 may be-adjustedin any desired way along the bars 2 to accommodate persons of different .statures.- Thus it may be vexpedient to form the foot rest in telescoped parts 75 and 7 6,the part 7 6 carrying a setscrew 77 engaging the part 75,' the bars 2 having openings 78 for the reception of the outer ends of the parts, 75 and 76. At its forward end, the frame 1 is provided with an upwardly extended arm 4: carrying a bearing 5 wherein a shaft 6 is mounted to rock, the shaft being under the control of a tiller 7. A ground wheel 8 is journaled on the lower end of the shaft 6. Clearly,

a ratchet.

the shaft -6 and 'thefgroundi wheel 8;, the ve' h'ic'le maybe steered; @The tiller has'a' collar 79 receiving the shaft Sand-held thereon by a set screw 80, the cOnStructiOnbeing such through the instruin'entalityof the that the tiller 7 may beset at' any" desired angle'with respect to the wheels. 1

The sidebars 2 of,tlie"framef1-are Coils nected by an [arched support 9. -The" nunieral 10: denotes seat having a bearing 'l'l',

the'b'e'aring receiving-the support 9, -and the' construction being 7 such that the seat rock forwardlyand backwardlyg 7 At their'rear ends", *t'he si le bar's 2 of the 1 10can frame 1 are provided 'with bearings lgcon The side bars 2 are connected, further'by anarched npstandingstopuld" The: stop ,12

limits the rearward swinging movement of the seat 10,. while the stop 15'l-imits the::for-,

ward swingingmovementofthe seat. A

An axle 16 is-journaled for'rotation in the bear ngs 14. Wheels arefcarried-bythe axle 16;. One'wheel 30 "is loose on the axle 16, the v v other wheel, beinggfixed to the "axle, to obe; tain the effect" of a-zdifferential. f q v The: sidebars 2 oftheIfraine,'lsarea-cone nected by a rod or shaft-1'7;- A gear fwheell8 is fixed to'the axle v16 andimeshesintoga pinion 19 journaled-gon the rod"1.7 A gear wheel or ratchet 50 is-securedtothe axle 16. An arm 20 is mounted to swing on the axle 16, an arm 21 being mounted to swing on the shaft 17. Apawl 22 is pivoted to the arm 20 and cooperates with the ratchet wheel 50. A pawl 23 is pivoted-onthe arm 21 and cooperates with the'p'inion 19,"the pinion, therefore, having the additional function of The pawlsl22 and 23Jare constrained to coact with their respectivewheels by springs 24. A pitman 25 is pivoted at i 31 to the arm20. ,A pitmang26 is pivoted at 32 to the arm 21. The pitmans 25 and 26 pivotal connection 27 with When the seat 10 swings downwardly and have a common he seat 10.

forwardly on the support 9, the pawl23 clicks over the pinion 19, thepawl 22 engaging the ratchet wheel 50 and rotating the same, rotation being imparted to the axle 16 and to the ground wheel 30 which is fixed thereto. When the seat 10 swings down wardly and re'arwardly'on the support 9, the

pawl 22 clicks over the ratchet'wheel. 50, the V 70. nected" by an arched upstanding stop l2. h

pawl 23 engaging the pinion 19'and rotating the same, fbtatioh being imparted to the gear wheel 18, and axle 16 and the ground el 0' w ic e eed. 9 t l?- 7717 hrfstriietioh 'Sllfill that adi' a eifig me ement is imparted to the vehicle when the seat 10 swings downwardly and forwardly and when the seat swings downwardly an rearwardly. The rearward and downward swinging movement of the seat 10 is limited by the stop 12, the forward and 'downward swinging movement of the seat being ll'mlted by the stop The point ZZpf connect on between the pitmans and26 and the seat 10 is so located with respect to the ,axesof the aisle 16 and the shaft 17 that the rear ward swinging movement of the seat lO will be moreefiective in imparting rotation to the axle '16 than is the forward swinging mpvement of the seat. This operation is advantageous, because when the seat 10 swings rearwa-r'dly, noteonl-y the weight of the operator,- hut,,as well, the thrust of the op'erators legs against the foot rest 3 is brought into play, wll'er'eas, when the seat swings, forWa-rdly,, the weight of the operator, alone; is effective. 4

In Figures 5 and 6', the frame bars are shown at 85. and carry bearings 86 wherein an axle 8'7 is journa'led', the axle. having a crank 88 or the equivalent thereof. One of the Wheels 89 is looseion the axle 87, and the other of the wheels is fixed to the axle, as hereinbeiore :xplained. Ah arched support 90ismountedbn the bars 85', a seat 91 beihg attached at 92 to the support, for rocking movement. The'numeial 93 marks a pitman, provided at .one eh'd with a hearing '94; cooperating with the crank '88. The pitinan 93 is pivoted at 9 th) a bracket 95 on the seat ground wheel on the axle; a ratchet wheel on the axle; a wheel on the axle; a pinion on the frame and meshing with the gear wheel; arms mounted to swingfon the axle and on the frame; pawls on the arms and cooperating directly with the ratchet wheel and with the pihion; puritans pivoted to the arms a seat mounted. to 'tilt on the frame;

and means for connecting the pitrii a'ns pivotally with the seat. ,2 In a device frame; an axle jammed th,fifam' a ground wheel on the axle; a ratchet whee on the airle'ya gear wheel on the axle; a pinion on the frame and meshing with the gear wheel; arms mounted to the are and on the frame and ek tended downwardly therefrom; pawl s on the arms and cooperating with the ratchet wheel and with the pinion; pitmans pivoted to the arms; a seat mounted adjacent to its rear end to tilt on the frame; and a common pivotal connectioii between thepitmans and the seat, said con; nection being located adjacent to the forward edge of the seat. v A v p In testimony that I claim the foregoing as my own, I have hereto 'afhxed mly signature in the presence of two witne's ses. I I

NOEL DUPUIS. Witnesses:

IRA H. CASE, J. A; DUGAN'.

of t e class described, a 

